Definition of "vein"
- noun
- A blood vessel that transports blood from the capillaries back to the heart. 
- The entrails of a shrimp. 
- In leaves, a thickened portion of the leaf containing the vascular bundle. 
- The nervure of an insect's wing. 
- A stripe or streak of a different colour or composition in materials such as wood, cheese, marble or other rocks. 
- A topic of discussion. 
- A style, tendency, or quality of something. 
- Sources